If you’re like most Photoshop users, you probably resize images using the Image Size dialog box. But what if you want to change the grid size—the number of pixels that make up an image’s width and height? To change the grid size, open the Image Size dialog box (Window > Image Size), and enter a new value in the Width field and the Height field. Photoshop uses this value to calculate how much space each image occupies on your screen. ..
